Theory of metallic magnetism at finite temperatures in bulk materials and thin films
UNSPECIFIED (2002) Theory of metallic magnetism at finite temperatures in bulk materials and thin films. In: 6th Patras-University Euroconference on Properties of Condensed Matter Probed with X-Ray Scattering-Electron Correlations and Magnetism, PATRAS UNIV, PATRAS, GREECE, SEP 21-25, 2001. Published in: PHYSICA B-CONDENSED MATTER, 318 (4). pp. 316-320.Full text not available from this repository.
A review of 'first-principles' theoretical work that describes the properties of magnetic metallic materials at finite temperatures is given. The key assumption is that a time-scale separation call be identified. There are the thermally induced spin fluctuations which are long-lived compared to the time electrons take to move from one lattice site to another. The dependence oil the spin-polarised electronic structures of the systems is emphasised including the role of 'local exchange splitting' inferred even in the paramagnetic states. The disordered local moment picture which provides the basis of a mean field theory is discussed and its results for bulk transition metals and alloys recalled. Finally, new results for this picture in metallic thin films are reported. In particular comparison with calculated magnetic ordering temperatures of iron films on copper substrates is made with those deduced from experiment and an interpretation in terms of the electronic structure is given. (C) 2002 Elsevier Science B.V. All rights reserved.
|Item Type:||Conference Item (UNSPECIFIED)|
|Subjects:||Q Science > QC Physics|
|Journal or Publication Title:||PHYSICA B-CONDENSED MATTER|
|Publisher:||ELSEVIER SCIENCE BV|
|Number of Pages:||5|
|Page Range:||pp. 316-320|
|Title of Event:||6th Patras-University Euroconference on Properties of Condensed Matter Probed with X-Ray Scattering-Electron Correlations and Magnetism|
|Location of Event:||PATRAS UNIV, PATRAS, GREECE|
|Date(s) of Event:||SEP 21-25, 2001|
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